SPOTLIGHT on the 27th Annual Hendrik van der Bijl Memorial Lecture by A.N. BROWN.

The Hendrik van der Bijl Memorial Lecture is arranged Dorbyl for heavy engineering, and Safmarine, of which annually under the auspices of the Engineers he was also the first Chairman. For the duration of the Liaison Committee. This is a multidisciplinary Commit- Second World War, he served as Director General of tee with representatives from eleven societies and associa- Supplies. Among all these distinctions, he was also tions, and serves the interests of engineers resident in the the Chancellor of the , and the Pretoria area. The member societies are The Engineers memorial lectures are delivered annually at the Univer- Association of SA, The Engineers Division of the SA sity of Pretoria by a leading personality under the general Akademie vir Wetenskap en Kuns, The Association of theme 'The Role of Engineering in Society'. Consulting Engineers, and The Institutes of Industrial Engineers, Chemical Engineers, Electrical Engineers, Dr Louw Alberts Agricultural Engineers, Aeronautical Engineers, Mechan- The 1989 lecture was delivered on Wednesday, 17th ical Engineers, Civil Engineers, and Mining and Metal- May, in the Van der Bijl Lecture Theatre by Or Louw lurgy. The responsibility for arranging the 1989 Lecture Alberts. He is a highly respected leading figure in our fell on The SA Institute of Mining and Metallurgy. society. He was born in 1923 in Port Elizabeth and first studied at Rhodes University. The Ph.D. degree in physics Mr Hendrik van der Bijl was conferred on him with distinction by the University The first Hendrik van der Bijl Memorial Lecture was of the OFS, after which he did post-doctoral research at delivered in 1963 by Or M.S. Louw. The lectures are the Universities of Amsterdam and Sheffield. He was named after Or Hendrik Johannes van der Bijl (1887- primarily an academic, having served at the University 1984) to commemorate the colossal contribution that he of the OFS and the Rand Afrikaans University as lec- made to the scientific and industrial development of turer and as professor. . During his distinguished career, he was the Dr Alberts has published extensively in the fields of first Chairman of , the Chairman of Iscor for some solid-state physics, philosophy of science, science policy, twenty years, and Chairman of the Industrial Develop- mineral economics, energy planning, theology, and ment Corporation. He was instrumental in establishing biblical science. He has been the recipient of many and developing Amcor for beneficiating base metals, prestigious awards, including an Honorary Doctorate in

From right to left: Dr Louw Alberts, Mr C.E. Fivaz, Professor D.M. Joubert, and Dr C.F. Garbers

Professor, Department of Mining Engineering, University of Pretoria, * Pretoria, 0001.

JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY OCTOBER 1989 323 Science from the University of the OFS, an Honorary University of Pretoria, Professor D.M. Joubert, and the Doctorate in Engineering from the University of Natal, Vice-rector, Professor P. Smit, were present, together and the State President's Decoration for Meritorious with several persons who had presented the lecture in Service. He is a family man whose deep religious com- previous years. The audience totalled approximately 200 mitment is well known through his frequent appearances people. The audience sat enthralled while listening to Dr on television, and he is a prominent speaker and course Alberts, and showed their interest by asking many leader on Christian subjects. He has travelled extensively, probing questions on this important topic. and is a member of numerous scientific and technical The vote of thanks to Dr Alberts was presented by Dr societies. Chris Garbers, President of the revitalized CS I R, who stressed the need for such a technology strategy as the 1939 Lecture country moves into the twenty-first century. He presented Dr Alberts chose to entitle his presentation 'Towards Dr Alberts with a commemorative medallion, which will a Technology Policy', which turned out to be an inspiring also be presented to lecturers in the future. address. In essence, it dealt with technological develop- After the lecture, the audience was entertained at a ment, manpower needs, scientific education, promotion cheese-and-wine party, at which people had the oppor- of productivity, economic incentives, and the need for tunity to talk to Dr Alberts and discuss aspects of the a pragmatic, well-defined national technology strategy. talk with him in greater detail. The Institute is most The address is published in full elsewhere in this edition grateful to the managements of Iscor, Eskom, and of the Journal. Dorbyl, who gave generous financial support to the oc- The lecture was attended by a mixed audience, which casion. A small number of commemorative brochures are included many distinguished persons. The Rector of the still available and can be obtained on request.

Coal preparation The Japanese Organizing Committee of the 11th Inter- poster presentations in keeping with the above-mentioned national Coal Preparation Congress is now busy making objectives of the Congress. the necessary arrangements for the Congress, which is to The topics to be covered are as follows: be held in Tokyo from 22nd to Z6th October, 1990. . Physical and Chemical Cleaning of Coal It is of special significance that the Congress will be . Handling, Transportation, and Storage of Coal held in Japan, because not only is Japan a major con- . Process Control and Optimization sumer of coal and its derivatives, but it is also the largest . Processing and Conversion of Coal to Induce Enhanc- importer of coal in the world owing to a significant reduc- ed Utilization tion in its level of coal production compared with earlier . Coal Cleaning for Particular Combustion Technology levels. In the light of the importance of coal preparation . Utilization of Plant Discards and Boiler Ash for Japan, as well as for other nations, and in recogni- . Environmental Control in the Preparation and Utili- tion of the recent trend towards the sophistication of zation of Coal. coal-preparation technology, the 11th ICPC Congress has the following two goals: to contribute to the advancement The official languages are English, French, German, of coal-cleaning technology by fostering the dissemina- and Russian. tion of the most up-to-date and pertinent findings in this Further information is available from field, and to facilitate an interface between coal- The Secretariat preparation and coal-utilization techniques. 11th International Coal Preparation Congress As the format for the oral presentations allows for only The Mining and Materials Processing Institute of a limited number of papers to be presented, the decision Japan has been made to supplement this format with poster ses- Nogizaka Bldg 9-6-41 sions. This will greatly expand the number of works that Akasaka, Minato-ku can be actively discussed during the Congress. The Tokyo 107 Japanese Organizing Committee (JOC) and the Inter- Japan. national Organizing Committee (IOC) will jointly decide Tel: (03) 402-0541 Fax: (03) 403-1176 upon criteria for the acceptance of papers for oral and Cable Address: MMIJTYO.

324 OCTOBER 1989 JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY